Income tax Dates
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APR 7End-of-year income tax and Working for Families bills are due if you have an extension of time to file your income tax return.
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MAY 7AIM instalments are due if you have a March balance date.
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MAY 7Provisional tax payments are due if you have a March balance date and use the standard, estimation or ratio options.
The FIF deemed rate of return is set each year and is one of the ways you can work out income from foreign investment fund interests. The rate is based on taking an average of the 5-year Government stock rate at the end of each quarter and adding a 4% margin.
| Income year | Rate |
|---|---|
| 2024-2025 | 8.04% |
| 2023-2024 | 8.63% |
| 2022-2023 | 8.15% |
| 2021-2022 | 6.01% |
| 2020-2021 | 4.43% |
| 2019-2020 | 5.05% |
| 2018-2019 | 5.86% |
| 2017-2018 | 6.44% |
| 2016-2017 | 6.28% |
| 2015-2016 | 6.77% |
If you need the FIF deemed rate for any years before 2016, you can call us.
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Last updated:
01 Apr 2026